function overLeft(id, num)
{ 
   for(i=1; i<=num; i++)
   {
     document.getElementById('left'+i).style.backgroundImage = 'url(img/left_menu_selector.jpg)';
     document.getElementById('left'+i).style.color = 'black';
   }
 
   if(id!=0)
   {
     document.getElementById('left'+id).style.cursor = 'pointer';
     document.getElementById('left'+id).style.backgroundImage = 'url(img/left_menu_selector_active.jpg)';
     document.getElementById('left'+id).style.color = 'white';
   }
}

function overTop(id)
{ 
   
   document.getElementById('top1').style.backgroundImage = 'url(img/top_menu_selector.jpg)';
   document.getElementById('top2').style.backgroundImage = 'url(img/top_menu_selector.jpg)';
   document.getElementById('top3').style.backgroundImage = 'url(img/top_menu_selector.jpg)';
   document.getElementById('top4').style.backgroundImage = 'url(img/top_menu_selector.jpg)';
   
   if(id!=0)
   {
     document.getElementById('top'+id).style.cursor = 'pointer';
     document.getElementById('top'+id).style.backgroundImage = 'url(img/top_menu_selector_active.jpg)';
   }
}


function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=550,height=600,left = 565,top = 225');");
}